/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

import type { Decoder } from '../types';

export const xmlDecoder: Decoder = {
  name: 'xml',
  decode: (payload: string) => {
    try {
      const parser = new DOMParser();
      const doc = parser.parseFromString(payload, 'text/xml');
      if (doc.documentElement.nodeName === 'parsererror') {
        return null;
      }
      return payload;
    } catch {
      return null;
    }
  }
};
